← The evidence ledger
Evidence row 121841
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://stack.halowerk.com/stack/articles/fontsdotcom
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- bb498032b2d137d0796f1c2fc5e40247ad7bcce207356d5362626415dcd76cd3
- Leaf
- 0x5337f8f4dcf0477c868faaf33b85d52b09255a8184ced24f98c7ba59c527b920
What was observed
{
"endpoints": [
[
"x402",
"https://stack.halowerk.com/stack/articles/fontsdotcom"
]
],
"name": "Tech Detect",
"owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"asset": "USDC",
"assetTransferMethod": "eip3009",
"eip712Domain": {
"chainId": 8453,
"name": "USD Coin",
"verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"version": "2"
},
"name": "USD Coin",
"network_name": "Base Mainnet",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
"scheme": "exact"
}
],
"description": "Purpose-bound Monotype Fonts.com observation (fonts) using the existing fresh Stack-Monitor. Returns stack_fontsdotcom_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the injected motor. One public HTTPS root domain, up to150 baseline technologies; 9s t",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"url": "https://example.com/"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"previous": {
"additionalProperties": false,
"properties": {
"observed_at": {
"maxLength": 40,
"type": "string"
},
"technologies": {
"items": {
"additionalProperties": false,
"properties": {
"category": {
"maxLength": 80,
"type": "string"
},
"name": {
"maxLength": 150,
"type": "string"
},
"version": {
"maxLength": 80,
"type": [
"string",
"null"
]
}
},
"required": [
"name",
"category",
"version"
],
"type": "object"
},
"maxItems": 150,
"type": "array"
}
},
"required": [
"observed_at",
"technologies"
],
"type": "object"
},
"url": {
"maxLength": 2048,
"type": "string"
}
},
"required": [
"url"
],
"title": "Monotype Fonts.com fingerprint monitor input",
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-14T23:59:34.819Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-14T23:59:34.608Z"
},
"resource": "https://stack.halowerk.com/stack/articles/fontsdotcom",
"serviceName": "Tech Detect",
"tags": [
"x402",
"halowerk",
"stack_fontsdotcom"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Purpose-bound Monotype Fonts.com observation (fonts) using the existing fresh Stack-Monitor. Returns stack_fontsdotcom_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the injected motor. One public HTTPS root domain, up to150 baseline technologies; 9s t"
}What the leaf hashes
{"body":"bb498032b2d137d0796f1c2fc5e40247ad7bcce207356d5362626415dcd76cd3","id":121841,"kind":"listing","method":"baseline/1","observed_us":1793025620566788,"prev":null,"subject":"x402_bazaar:https://stack.halowerk.com/stack/articles/fontsdotcom","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x53386b653bb272d20e82a0f5e90a573f4276b1723222e49f5cbcb36062613016
- 0x8a20765e6ca6724377a3d7ed4a52027f8d72c3a8d9e39e0cfc69b43d8c428395
- 0x6c4ce5509b1247ed942d901ba509147a48e355c6e29de3b2b88a5b5c4de99260
- 0xcd92979cfce05cbc75ebcf98cd913554708582138d101aada097bf0cf2c8a5fb
- 0xeaffa74796f0213c9e80e57c0372faaa1868caf70ed353147c2a40a4fb655221
- 0x3fb4a6353af947586d29a9eb7fdd12a6d84c871c591a1ae65e93da15659d4265
- 0xd2772320b99773487cd340f1c2054090557234b7241917941d76dc292c21d8f5
- 0xcdf40c445cc95863f08be7007ded1e4e4c4a8beba412e4cfde9dd37cd706a9cc
- 0x707cd63ec08491d361ce9df43c10a73cfe23cf386ca2533a2d986ce81e0b98af
- 0x72bd13c090ca80e7870affede013ba3445a9ce90177c8d0abe389b26f526682c
- 0x11ae5fc5d08fb7b25beace35e67656980e21edfc94e809110b5b9ecae306b6c8
- 0x94dd4ed7cf198df741ccda83eacc422aadb31119fc6e84c4a6d2f023453b7960
- 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
- 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
- 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae